2 messages, 2 authors, 2006-06-28 · open the first message on its own page
From: morelli.gab <hidden>
Date: 2006-06-28 14:48:37
Hi All, i,m upgrading the linux kernel 2.4 from 2.6, during the phase of restart = on my card the system blocks on message "io scheduler noop registered". the board mount MPC875 processor ... Serial: CPM driver $Revision: 0.01 $ ttyCPM0 at MMIO 0xf0000a80 (irq =3D 20) is a CPM UART ttyCPM1 at MMIO 0xf0000a90 (irq =3D 19) is a CPM UART io scheduler noop registered Thanks,
From: Vitaly Bordug <hidden>
Date: 2006-06-28 17:48:27
On Wed, 28 Jun 2006 16:48:34 +0200 "morelli.gab" [off-list ref] wrote:
Hi All, i,m upgrading the linux kernel 2.4 from 2.6, during the phase of restart on my card the system blocks on message "io scheduler noop registered". the board mount MPC875 processor ... Serial: CPM driver $Revision: 0.01 $ ttyCPM0 at MMIO 0xf0000a80 (irq = 20) is a CPM UART ttyCPM1 at MMIO 0xf0000a90 (irq = 19) is a CPM UART io scheduler noop registered
You should add the proper cpm uart initialization bits to the board-specific code, as say 885ads does (ppc/platforms/mpc885ads_setup.c). What experienced is uart misconfiguration which alters pins in a way the console doesn't like very much. -- Sincerely, Vitaly